For the following questions answer them individually
If $$(27x^3 - 343y^3) \div (3x - 7y) = Ax^2 + By^2 + 7Cyx$$, then the value of (4A - B + 5C)is:
If x is added to each of 12, 28, 21 and 45, the numbers so obtained, in this order, are in proportion. What is the mean proportional between (x +3) and (4x+ 1)?
The income of A is 25% more than that of B and the income of C is 65% less than the sum of the incomes of A and B. Income of C is what percent less than the income of A?
The Table shows the production of different types of cars (in thousands).
In the data related to the production of type D cars is represented by a pie chart, then the central angle of the sector representing production of cars in 2015 will be:
The areas of the three adjacent faces of a cuboid are 32 $$cm^2$$, 24 $$cm^2$$ and 48 $$cm^2$$ . What is the volume of the cuboid?
Three numbers are such that if the average of any two of them is added to the third number, the sums obtained are 168, 174 and 180 respectively. What is the average of the original three numbers ?
The area of a triangle is 15 sq cm and the radius of its in circle is 3 cm. Its perimeter is equal to:
The value of $$\theta$$, when $$\sqrt3 \cos \theta + \sin \theta = 1 (0^\circ \leq \theta \leq 90^\circ)$$, is:
The Table shows the production of different types of cars (in thousands).
The total production of type D cars during 2015 to 2017 is what percent less than the total production of type E cars during 2014, 2015, 2016 and 2018 taken together?